Some apps refuse to work if a VPN is active on host. By running the app inside VMOS with Termux’s redsocks or proxychains , you can tunnel traffic without host VPN detection.
Since VMOS is rooted, Termux can call su . However, Termux does not have a built-in su binary. You need to install tsu (a su wrapper for Termux):
Access a rooted environment easily without voiding your physical device's warranty.